21698014

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1901}}^1$

素因数の和:2355

約数の個数: 16

約数和(自身を含む): 35148960

約数和(自身を除く): 13450946

約数列:

[1, 2, 13, 26, 439, 878, 1901, 3802, 5707, 11414, 24713, 49426, 834539, 1669078, 10849007, 21698014]

約数ペア:

[(1, 21698014), (2, 10849007), (13, 1669078), (26, 834539), (439, 49426), (878, 24713), (1901, 11414), (3802, 5707)]